Vasileios Germanos

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In partially observed Petri nets, diagnosis is the task of detecting whether or not the given sequence of observed labels indicates that some unobservable fault has occurred. Diagnosability is an associated property of the Petri net, stating that in any possible execution an occurrence of a fault can eventually be diagnosed. In this paper we consider(More)
Federated cloud systems increase the reliability and reduce the cost of computational support to an organisation. However, the resulting combination of secure private clouds and less secure public clouds impacts on the overall security of the system as applications need to be located within different clouds. In this paper, the entities of a federated cloud(More)
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